The fixture features adjustable mounting brackets spanning up to 24 inches and housing that can be vertically adjusted after the ceiling is finished. The Nutone 9417DN 70 CFM Bathroom Heat-a-Vent Fan has a grille size of 10 ¼” x 10 ¼” x 5/8” and uses a 4" round duct.

Please check your available ceiling space to ensure there is adequate room for bath fan housing!